#pragma once
template<class Iterator, class Ref, class Ptr> 
class ReverseIterator
{
	typedef ReverseIterator<Iterator, Ref, Ptr> Self;

public:
	ReverseIterator(Iterator it)
		:_it(it)
	{}

	Ref operator*()
	{
		Iterator tmp = _it;
		return *(--tmp);
	}

	Ptr operator->()
	{
		return &(operator*());
	}

	Self& operator++()
	{
		--_it;
		return *this;
	}

	Self& operator--()
	{
		++_it;
		return *this;
	}

	bool operator!= (const Self& s) const
	{
		return _it != s._it;
	}

private:
	Iterator _it;
};


